Why is my Kia Picanto's acceleration lagging?

I recently bought a used Kia Picanto and I've noticed that the acceleration seems to be lagging. It takes a while for the car to pick up speed, especially when merging onto highways. What could be causing this and is there a fix?

There are a few potential reasons for this issue. It could be due to a clogged air filter, a faulty oxygen sensor, or a problem with the fuel injectors. I would recommend taking your car to a mechanic to get it checked out as soon as possible.

Another common cause of poor acceleration in Kia Picantos is a dirty or failing mass airflow sensor. This sensor measures the amount of air entering the engine and helps regulate the fuel-to-air ratio. If it is dirty or malfunctioning, it can greatly affect the car's acceleration. I would advise getting this sensor cleaned or replaced.

One piece of advice I would give is to make sure you are using the appropriate fuel for your car. Using a lower grade fuel than recommended can cause issues with acceleration and overall performance. It may be worth trying a higher grade fuel to see if that improves the issue.